Fujitsu ACUH18LUAS1 - Inverter Compressor

4-2. Inverter compressor
¢ Model: AOUH09LUAS1
Check point 1. Check connection
• Check terminal connection of compressor (loose or incorrect wiring)
R(U)
(RED)
S(V)
(WHITE)
C (W)
(BLACK)
Main PCB
• Check terminal connection of main PCB (loose or incorrect wiring)
Main PCB
W402(W)
Compressor
BLACK
WHITE
RED
W400(U)
W401(V)

Check point 2. Check winding resistance
Check winding resistance of each terminal.
Resistance value: 1.975 ±7 % Ω at 77 °F (25 °C)
R(U)
C(W)
S(V)
RED
WHITE
BLACK
 If the resistance value is 0 Ω or infinite, replace compressor.

4-2. Inverter compressor - (03-45) - 4. Service parts information
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